AnnualReport2025-TIRT-att1.pdf

PT TIRTA MAHAKAM RESOURCES Tbk

The Bellezza Permata Hijau Office Tower, 20th Floor Jl. Letjen Soepeno No. 34, Kebayoran Lama, Jakarta Selatan 12210

No. : 036/TMR/IV/2026

Lampiran »1 (satu) rangkap 1 (one) copy
Kepada Yth.

OTORITAS JASA KEUANGAN

Gedung Soemitro Djojohadikusumo
Jl. Lapangan Banteng Timur No. 2-4
Jakarta 10710

U.P:

Jakarta, 29 April 2026

Kepala Pengawas Eksekutif Pengawas Pasar Modal, Keuangan Derivatif dan Bursa Karbon
Chief Executive of Capital Market. Derivative Financial, and Carbon Exchange Supervision

Perihal
(“Perseroan)

Penyampaian Laporan Tahunan 2025 PT Tirta Mahakam Resources Tbk

Submission of 2025 Annual Report of PT Tirta Mahakam Resources Tbk

(the "Company”)
Dengan hormat,

Dalam rangka memenuhi ketentuan Peraturan
Otoritas Jasa Keuangan Nomor 29/POJK.04/2016
tentang Laporan Tahunan Emiten atau
Perusahaan Publik dan Perubahan Peraturan
Nomor I-E tentang Kewajiban Penyampaian
Informasi sebagai Lampiran Keputusan Direksi PT
Bursa Efek Indonesia Nomor Kep-00087/BEI/12-
2025, bersama ini kami sampaikan Laporan
Tahunan 2025 Perseroan sebagaimana telah kami
muat dalam situs web Perseroan
(www.tirtamahakam.com).

Demikian surat ini kami sampaikan. Atas perhatian
dan kerjasama yang diberikan, kami ucapkan
terima kasih.

Hormat kami,
PT Tirta Mahakam Resources Tbk

IAKAM RESOURCES Tbk,

Jackson Indrawan
Corporate Secretary

Tembusan:

Dear Sir/Madam,

In accordance with the provision of Financial
Services Authority Regulation No.
29/POJK.04/2016  concerning the Annual
Report of the Issuers or Public Company and
Amendment to Regulation I-£ concerning
Mandatory Submission of Information, Decree
of Board of Directors of PT Bursa Efek
Indonesia Number Kep-00087/BEI/12-2025, we
would like to convey the 2025 Annual Report of
the Company as published on the CompanySs
website (www.tirtamahakam.com).

Thus we convey this letter. Thank you for your
kind attention and cooperation.

1. Yth. Direktur Penilaian Perusahaan PT Bursa Efek Indonesia / Director of Listing, Indonesia Stock Exchange,
2. Yth. Direksi Perseroan / Board of Director of the Company,
3. Yth. Dewan Komisaris Perseroan / Board of Commissioners of the Company.